36522181 has 2 divisors, whose sum is σ = 36522182. Its totient is φ = 36522180.

The previous prime is 36522163. The next prime is 36522197. The reversal of 36522181 is 18122563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21077281 + 15444900 = 4591^2 + 3930^2 .

It is a cyclic number.

It is not a de Polignac number, because 36522181 - 2¹³ = 36513989 is a prime.

It is a super-2 number, since 2×36522181² = 2667739409993522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36522131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18261090 + 18261091.

It is an arithmetic number, because the mean of its divisors is an integer number (18261091).

Almost surely, 2^36522181 is an apocalyptic number.

It is an amenable number.

36522181 is a deficient number, since it is larger than the sum of its proper divisors (1).

36522181 is an equidigital number, since it uses as much as digits as its factorization.

36522181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 36522181 is about 6043.3584206135. The cubic root of 36522181 is about 331.7815523598.

The spelling of 36522181 in words is "thirty-six million, five hundred twenty-two thousand, one hundred eighty-one".